CardJoin vs SharpFox
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CardJoin
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1. Smaller size: 110g weight, compact design, bringing exquisite experience， 2. More comprehensive coverage - smaller body size with greater energy， Not only can you edit and print cards and labels, but stickers and bookmarks can also be completed in one machine. Basically covering daily use of note paper, note stickers, and bookmarks. 3. Wider applicability - the combination of multilingual apps and local characteristic patterned paper cards, unifies the interface and card style, providing users with a good local experience. 4. More flexible use - unique plug-in design, easy to replace paper cards, and easy to switch between multiple scenarios.
SharpFox
Design and print custom labels in various sizes, including A4, 2-inch, and 3-inch. Utilize a wide array of templates and borders, or create your own unique designs with extensive customization options. Save your creations for easy reprinting via fast Bluetooth connection.
- Print A4, 2-inch, 3-inch labels
- Rich label templates and borders
- Create custom label styles
- Bluetooth printing
- Save and reuse label designs
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SharpFox (app) is a professional printing software for printing Multiple Size Specifications labels, including A4, 2 inch, 3 inch, half inch. It contains rich label templates and beautiful label borders. You can create your own labels freely. [Bluetooth printing] Fast bluetooth connection and stable Bluetooth transmission [Create label] Create a label style that belongs to you. Rich control options and excellent adjustment mode to achieve real DIY. [Save label] Save your label. You don't need to edit it again when you need it. Open it and print it
Screenshots
Verdict
CardJoin and SharpFox are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
CardJoin ships an update every 3 weeks, SharpFox every 4 weeks. Both last shipped on October 27, 2026.
| Parameter | CardJoin | SharpFox |
|---|---|---|
| Price | Free | Free |
| Rating | — | 2.3 (107 ratings) — better |
| Positive reviews | — | 28.8% of reviews |
| Number of ratings | — | 107 — better |
| Update frequency | Every 3 weeks — better | Every 4 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 68 MB | 106 MB |
| Age rating | 4+ | 4+ |
| Developer | Yinbao Electronics (Shenzhen) Co., Ltd | Xiamen Angyin Information Technology Co., Ltd |
Bugs and requests
CardJoin
Not enough reviews yet to summarise bugs or requests.
SharpFox
Reported bugs
20 issues- Unable to change units from mm to inches
- App freezes or crashes during use
- Connection issues (Bluetooth, server)
- Login failures and spinning icon
- App stops working after initial use
Show 15 moreShow fewer
- File uploading/document tab not working
- App not accessing all photos
- Printer disconnects after one page
- App only prints page 1
- App not working on specific phone models
- App does not scroll up to accept agreement
- App does not show agreement to accept
- App does not allow file import
- PDF annotations do not print
- App directs to read agreement but doesn't show it
- App not found in Microsoft Store
- App does not orient sideways
- QR code scanning not working
- Cannot print documents from laptop or iPad
- App shows instructions instead of allowing upload
Requested features
8 requests- Add inches measurement option
- Improve app intuitiveness and add instructions/help files
- Allow printing in color
- Improve file import functionality
- Fix inability to change from mm to inches
Show 3 moreShow fewer
- Allow printing of PDF annotations
- Add dark mode option
- Improve font size control
In-app purchases
CardJoin
No in-app purchases
SharpFox
No in-app purchases
